data-pipeline

lesson

static-site backfill rss data-pipeline idempotency code-reading ops

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Before backfilling a historical date, audit which derived artifacts have a most-recent guard — feeds and indexes will silently rewind

Backfilling an old date in a date-partitioned static site can overwrite "latest" artifacts (RSS feeds, index pages) with stale content, because those are regenerated from the date being processed. Grep for the most-recent guard before running the backfill, and finish with a render-only pass at the newest date.

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